package string;

public class StringDemo{
    public static void main(String[] args) {
        String a="123";
        String b="123";
        System.out.println(b);
        String c=a;
        System.out.println(c.equals(a));
        String p=new String("是开发建设的科技风");
        a=p;
        System.out.println(a==b);

    }
}
